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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
6 Months Ended
Sep. 30, 2021
PROPERTY, PLANT AND EQUIPMENT, NET  
Schedule of components of property, plant and equipment, net

Property, plant and equipment, net included the following at:

    

September 30, 2021

    

March 31, 2021

Land

$

110,113

$

110,113

Building and improvements

 

3,289,901

 

3,249,577

Machinery equipment

 

17,883,604

 

10,113,670

Furniture, fixtures, auto equipment

 

1,503,041

 

627,571

Total property, plant and equipment

 

22,786,659

 

14,100,931

Less: accumulated depreciation

 

(10,480,258)

 

(10,037,722)

Total property, plant and equipment, net

$

12,306,401

$

4,063,209